20857603

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 23348416

約数和(自身を除く): 2490813

約数列:

[1, 13, 37, 103, 421, 481, 1339, 3811, 5473, 15577, 43363, 49543, 202501, 563719, 1604431, 20857603]

約数ペア:

[(1, 20857603), (13, 1604431), (37, 563719), (103, 202501), (421, 49543), (481, 43363), (1339, 15577), (3811, 5473)]